12391000

素因数分解:

$2^3\times 5^3\times {\mathrm{12391}}^1$

素因数の和:12412

約数の個数: 32

約数和(自身を含む): 28997280

約数和(自身を除く): 16606280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12391, 24782, 49564, 61955, 99128, 123910, 247820, 309775, 495640, 619550, 1239100, 1548875, 2478200, 3097750, 6195500, 12391000]

約数ペア:

[(1, 12391000), (2, 6195500), (4, 3097750), (5, 2478200), (8, 1548875), (10, 1239100), (20, 619550), (25, 495640), (40, 309775), (50, 247820), (100, 123910), (125, 99128), (200, 61955), (250, 49564), (500, 24782), (1000, 12391)]